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研究生:許嘉真
研究生(外文):Chai-Chen Hsu
論文名稱:基於小波轉換與模數運算之浮水印方法
論文名稱(外文):A watermarking scheme based on wavelet transform and modular operations
指導教授:杜淑芬杜淑芬引用關係
指導教授(外文):Shu-Fen Tu
學位類別:碩士
校院名稱:中國文化大學
系所名稱:資訊管理研究所
學門:電算機學門
學類:電算機一般學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:85
中文關鍵詞:智慧財產權數位浮水印小波轉換變異統計值
外文關鍵詞:intellectual property protectiondigital watermarkingdiscrete wavelet transformvariation
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  • 下載下載:3
  • 收藏至我的研究室書目清單書目收藏:0
數位浮水印是一種保護數位資料智慧財產權的技術,至今也已發展多年,但保護數位影像著作權的議題依舊受到重視,仍然有不少學者在這個領域不斷努力提出新的方法以求影像可以受到完整的保護,足以證明這部份的研究還有更多發展的空間及其存在的必要性。
因此,本研究以小波轉換為基礎,提出一套應用於保護數位影像著作權的浮水印方法。研究中主要是提出利用變異統計值找出具通透性的小波係數值,使得原始主影像藏入浮水印後,在視覺上具有不可察覺之特性。另外,實驗結果顯示,本研究所提出之方法對大部份的攻擊均具有一定的強韌性。
In this paper, a wavelet and modular based watermarking scheme is proposed. The variations of low frequency wavelet coefficients are computed to determine the coefficients which are suitable for watermark embedding. Then, the watermark is embedded by means of the modular operation. The experimental result shows that the difference between the host and the watermarked images cannot be discriminated with eyes easily. Besides, the watermark can also survive under several common attacks.
中文摘要 ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ iii
英文摘要 ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ iv
誌謝辭  ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ v
內容目錄 ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ vi
表目錄  ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ viii
圖目錄  ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ ix第一章  緒論﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 1
第一節  研究背景﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 1
第二節  研究動機與目的﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 4
第三節  研究大綱﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 5
第二章  文獻探討﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 6
第三章  研究方法﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 20
第一節  方法一﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 21
第二節  方法二﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 24
第三節  方法三﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 25
第四節  方法四﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 29
第五節  方法五﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 31
第六節 灰階浮水印﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 35
第四章  實驗結果與討論﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 39
第五章  總結﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 55
參考文獻 ﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 58
附錄A  各方法對被浮水印影像實驗圖﹒﹒﹒﹒﹒﹒﹒ 63
附錄B  方法一之實驗結果圖﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 65
附錄C  方法二之實驗結果圖﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 68
附錄D  方法三之實驗結果圖﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 71
附錄E   方法四之實驗結果圖﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 74
附錄F   方法五之實驗結果圖﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒﹒ 77
附錄G  灰階浮水印之實驗結果圖﹒﹒﹒﹒﹒﹒﹒﹒﹒ 80
附錄H  與他人方法比較之實驗結果圖﹒﹒﹒﹒﹒﹒﹒ 83
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